<template>
  <a-modal
    title="授权菜单"
    :width="600"
    :visible="visible"
    :confirmLoading="confirmLoading"
    @ok="handleSubmit"
    @cancel="handleCancel"
  >
    <a-spin :spinning="formLoading">
      <a-form :form="form">
        <a-form-item label="菜单权限" :labelCol="labelCol" :wrapperCol="wrapperCol">
          <a-tree
            v-model="checkedKeys"
            multiple
            checkable
            :auto-expand-parent="autoExpandParent"
            :expanded-keys="expandedKeys"
            :tree-data="menuTreeData"
            :selected-keys="selectedKeys"
            :replaceFields="replaceFields"
            @expand="onExpand"
            @select="onSelect"
            @check="treeCheck"
          />
        </a-form-item>
      </a-form>
    </a-spin>
  </a-modal>
</template>

<script>
import { SysMenuTreeForGrant } from '@/api/modular/system/menuManage'
import { sysTenantDetail, sysTenantGrantMenu } from '@/api/modular/system/roleManage'
export default {
  data() {
    return {
      labelCol: {
        style: { 'padding-right': '20px' },
        xs: { span: 24 },
        sm: { span: 5 }
      },
      wrapperCol: {
        xs: { span: 24 },
        sm: { span: 15 }
      },
      menuTreeData: [],
      expandedKeys: [],
      checkedKeys: [],
      visible: false,
      confirmLoading: false,
      formLoading: true,
      autoExpandParent: true,
      selectedKeys: [],
      subValues: [],
      roleEntity: [],
      replaceFields: {
        key: 'id'
      },
      form: this.$form.createForm(this)
    }
  },

  methods: {
    // 初始化方法
    roleMenu(record) {
      this.formLoading = true
      this.roleEntity = record
      this.visible = true
      this.getMenuTree()
      this.expandedMenuKeys(record)
    },

    /**
     * 获取菜单列表
     */
    getMenuTree() {
      SysMenuTreeForGrant().then(res => {
        if (res.success) {
          this.menuTreeData = res.data
          // 默认展开目录级
          this.menuTreeData.forEach(item => {
            this.expandedKeys.push(item.id)
          })
        }
      })
    },

    /**
     * 此角色已有菜单权限
     */
    expandedMenuKeys(record) {
      sysTenantDetail({ id: record.id }).then(res => {
        if (res.success) {
          this.checkedKeys = res.data.roleMenuIdList
        }
        this.formLoading = false
      })
    },

    treeCheck(checkKeys) {},
    onExpand(expandedKeys) {
      this.expandedKeys = expandedKeys
      this.autoExpandParent = false
    },
    onCheck(checkedKeys) {
      this.checkedKeys = checkedKeys
    },
    onSelect(selectedKeys, info) {
      this.selectedKeys = selectedKeys
    },

    handleSubmit() {
      const {
        form: { validateFields }
      } = this
      this.confirmLoading = true
      validateFields((errors, values) => {
        if (!errors) {
          sysTenantGrantMenu({
            id: this.roleEntity.id,
            grantMenuIdList: this.checkedKeys.checked ? this.checkedKeys.checked : this.checkedKeys
          })
            .then(res => {
              if (res.success) {
                this.$message.success('授权成功')
                this.confirmLoading = false
                this.$emit('ok', values)
                this.handleCancel()
              } else {
                this.$message.error('授权失败：' + res.message)
              }
            })
            .finally(res => {
              this.confirmLoading = false
            })
        } else {
          this.confirmLoading = false
        }
      })
    },
    handleCancel() {
      // 清空已选择的
      this.checkedKeys = []
      // 清空已展开的
      this.expandedKeys = []
      this.visible = false
    }
  }
}
</script>
